Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister Weather Forecast

Cascade Range · United States
Issued: 9 pm Tue 03 Nov Local Time
Updates in:
hr min s
Update imminent 

Days 1–4 Weather Summary

Moderate rain (total 19mm), heaviest on Wed night. Very mild (max 12°C on Wed morning, min 6°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 37mm), heaviest during Fri night. Very mild (max 14°C on Sat morning, min 3°C on Sun night). Wind will be generally light.

Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
heavy rain
rain showers
rain showers
rain showers
light rain
light rain
heavy rain
light rain
cloud
heavy rain
mod rain
rain showers
part cloud
clear
clear
some clouds
heavy rain
rain shwrs
rain shwrs
rain shwrs
light rain
light rain
heavy rain
light rain
cloudy
heavy rain
mod. rain
rain shwrs
some clouds
Cloud base (m)
2350
9200
600
600
950
2550
1650
700
600
700
6500
1650
650
650
km/h
5
E
5
SSE
10
SSE
5
S
5
SW
5
WSW
5
SE
10
SE
10
SSE
10
SE
10
SE
10
SE
20
SSW
10
SW
5
WSW
5
ENE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
—
11
1.4
0.1
0.5
3
4
14
0.1
—
11
10
1.9
—
max °C
9
12
10
7
9
8
7
7
8
10
14
14
12
6
5
5
min °C
8
11
9
7
7
7
6
6
8
9
11
13
7
5
4
3
 chill °C
8
11
7
5
6
7
5
4
6
7
10
12
3
3
4
3
Freezing level m
2650
2600
2200
1700
1550
1750
2150
1950
2550
2450
2900
3000
1950
1400
1250
1200
Sea lvl1000m2000m3000m4000m5000m
220-3-4-2-1123560-6-6-355411222458114-1-219121078877810131410654
Sunrise
—
6:58
—
—
7:01
—
—
7:01
—
—
7:03
—
—
7:05
—
—
Sunset
—
—
4:42
—
—
4:40
—
—
4:38
—
—
4:37
—
—
4:36
—

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Moderate rain (total 19mm), heaviest on Wed night. Very mild (max 12°C on Wed morning, min 6°C on Thu night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Heavy rain (total 37mm), heaviest during Fri night. Very mild (max 14°C on Sat morning, min 3°C on Sun night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
34 km WSW
100m alt.
1 hour ago
2°C
-
0
Calm
(0 kph at 0).
0
SHIP10423
38 km WSW
3m alt.
3 hours ago
SHIP2283
38 km WSW
15m alt.
3 hours ago
- km
SHIP7649
38 km WSW
3m alt.
3 hours ago
SHIP11172
38 km WSW
3m alt.
2 hours ago
SHIP8374
38 km WSW
15m alt.
2 hours ago
- km
SHIP11781
38 km WSW
15m alt.
3 hours ago
- km
SHIP3666
38 km WSW
3m alt.
3 hours ago
SHIP4007
38 km WSW
3m alt.
2 hours ago
SHIP11248
38 km WSW
15m alt.
2 hours ago
- km

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.